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Table 7 Epistatic analysis between quantitative traits loci in the Agili39/Khiar bi-parental mapping population using the inclusive composite interval mapping of digenic epistatic QTL (ICIM-EPI) method in QTL the IciMapping software

From: Deciphering resistance to Zymoseptoria tritici in the Tunisian durum wheat landrace accession ‘Agili39’

Isolate-Trait-Physiological Stage

Chromosome1 a

QTL ID

Position 1 (cM) b

Flanking markers

(Position 1)

Chromosome 2 c

QTL ID

Position 2 (cM) d

Flanking markers (Position 2)

LODe

PVE

(%)f

Add1 g

Add2 h

AddbyAddi

IPO95052-Pycnidia-Seedling

1A

Qstb1A

60

Tag_1123459—Tag_1694925

5B

Qstb5B

55

Tag_1125523—Tag_4909926

19.1

0.9

74.7

70.5

76.6

IIB123-Pycnidia-Seedling

7As

Qstb7A

55

Tag_2277193Tag_100009953

5B

Qstb5B

55

Tag_1125523—Tag_4909926

12.9

2.0

56.4

49.8

62.9

IIB123-Pycnidia-Adult (F9:10)

Qstb7A

75

Tag_4411932—Tag_4005129

Qstb5B

65

Tag_1125523—Tag_4909926

9.0

1.9

-0.1

0.0

0.8

IPO91009-Pycnidia-Seedling

Qstb7A

55

Tag_2277193—Tag_100009953

Qstb5B

55

Tag_1125523—Tag_4909926

19.5

1.1

59.4

-59.0

-56.8

IPO95052-Pycnidia-Seedling

Qstb7A

80

Tag_4411932—Tag_4005129

Qstb5B

50

Tag_1125523—Tag_4909926

19.8

0.9

74.3

73.1

75.0

Tun6-Necrosis- Seedling

2B

Qstb2B_1

75

Tag_1056626—Tag_1117572

5B

Qstb5B

60

Tag_1125523—Tag_4909926

7.3

31.0

94.4

-63.2

-76.5

Tun6-Pycnidia-Seedling

Qstb2B_1

75

Tag_1056626—Tag_1117572

Qstb5B

55

Tag_1125523—Tag_4909926

15.8

10.6

104.2

-83.8

-69.0

IPO91004-Pycnidia-Seedling

Qstb2B_1

70

Tag_100012058—Tag_1056626

Qstb5B

45

Tag_1125523—Tag_4909926

17.1

2.9

66.8

58.4

60.2

Tun6-Pycnidia-Adult (F5:6)

Qstb2B_2

115

Tag_100031118—Tag_3027184

Qstb5B

55

Tag_1125523—Tag_4909926

6.8

54.6

1.9

-0.4

-0.4

IIB123-Pycnidia-Seedling

Qstb2B_2

115

Tag_100031118—Tag_3027184

Qstb5B

55

Tag_1125523—Tag_4909926

15.2

1.8

26.8

54.4

57.3

IPO91009-Pycnidia-Seedling

Qstb2B_2

120

Tag_100031118 -Tag_3027184

Qstb5B

55

Tag_1125523—Tag_4909926

23.0

1.1

56.5

-57.7

-60.0

IPO95052-Pycnidia-Seedling

Qstb2B_2

100

Tag_1077600—Tag_100008169

Qstb5B

55

Tag_1125523—Tag_4909926

29.1

1.0

49.6

78.7

79.7

  1. aChromosome at the first scanning position
  2. bScanning position in cM of the first flanking marker pair
  3. cChromosome at the second scanning position
  4. dScanning position in cM of the second flanking marker pair
  5. eLOD score caused by epistatic effects
  6. fPhenotypic variation explained by epistatic effects
  7. gEstimated additive effect of position 1
  8. hEstimated additive effect of position 2
  9. iAdditive by additive epistatic effect at the two scanning positions. A positive value indicates that the effect of the parents’ effect is larger than the recombinant effect, and a negative value means that the recombinant effect is larger than the parents’ effect